Home / 12,226,751.60-18,340,127.40-11,181,657.20

Finding the Fourth Proportional to 12,226,751.60, 18,340,127.40 and 11,181,657.20

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Solution

The fourth proportional to 12,226,751.60, 18,340,127.40 and 11,181,657.20 is: 16,772,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226,751.60 : 18,340,127.40 = 11,181,657.20 : x
  2. Step 2: Convert to fraction form
    12,226,751.60/18,340,127.40 = 11,181,657.20/x
  3. Step 3: Cross multiply
    12,226,751.60x = 18,340,127.40 × 11,181,657.20
  4. Step 4: Simplify right side
    12,226,751.60x = 205,073,017,591,127.25
  5. Step 5: Solve for x
    x = 205,073,017,591,127.25/12,226,751.60
  6. Step 6: Final answer
    x = 16,772,485.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.